Home / 679,217.20-1,018,860.63-173,782.46

Finding the Fourth Proportional to 679,217.20, 1,018,860.63 and 173,782.46

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Solution

The fourth proportional to 679,217.20, 1,018,860.63 and 173,782.46 is: 260,682.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,217.20 : 1,018,860.63 = 173,782.46 : x
  2. Step 2: Convert to fraction form
    679,217.20/1,018,860.63 = 173,782.46/x
  3. Step 3: Cross multiply
    679,217.20x = 1,018,860.63 × 173,782.46
  4. Step 4: Simplify right side
    679,217.20x = 177,060,108,574.02
  5. Step 5: Solve for x
    x = 177,060,108,574.02/679,217.20
  6. Step 6: Final answer
    x = 260,682.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.